<?xml version="1.0" encoding="UTF-8" ?>
<XMLDB PATH="mod/survey/db" VERSION="20120122" COMMENT="XMLDB file for Moodle mod/survey"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
>
  <TABLES>
    <TABLE NAME="survey" COMMENT="Each record is one SURVEY module with its configuration">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="template" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="days" TYPE="int" LENGTH="6" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="intro" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="intro text field format"/>
        <FIELD NAME="questions" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="survey_questions" COMMENT="the questions conforming one survey">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="text" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="shorttext" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="multi" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="intro" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="type" TYPE="int" LENGTH="3" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="options" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
      </KEYS>
    </TABLE>
    <TABLE NAME="survey_answers" COMMENT="the answers to each questions filled by the users">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="survey" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="answer1" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="answer2" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
        <KEY NAME="survey" TYPE="foreign" FIELDS="survey" REFTABLE="survey" REFFIELDS="id"/>
        <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="survey_questions" REFFIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="survey_analysis" COMMENT="text about each survey submission">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="survey" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="notes" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
        <KEY NAME="survey" TYPE="foreign" FIELDS="survey" REFTABLE="survey" REFFIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
      </INDEXES>
    </TABLE>
  </TABLES>
</XMLDB>